Wind-turbine rotor-blade, having: - a rotor-blade longitudinal axis, - at least one rotor-blade inner portion, having a region connecting to the rotor-blade hub, and - at least one rotor-blade outer portion, having a rotor-blade tip, - an interior space inside the rotor-blade inner portion and the rotor-blade outer portion, the rotor-blade inner portion and the rotor-blade outer portion each be made substantially of a fibre-reinforced plastic, and the rotor-blade inner portion and the rotor-blade outer portion being connected to each other by at least one connecting device, and the at least one connecting device comprising: - an inner insert that is at least partially wrapped in the fibre-reinforced plastic of the rotor-blade inner portion and that has an inner contact face, - an outer insert that is at least partially incorporated in the fibre-reinforced plastic of the rotor-blade outer portion and that has an outer contact face, the inner insert and the outer insert being connected to each other via the inner and the outer contact face (10, 20) and at least one connecting element, the inner contact face and the outer contact face being arranged parallelwise in relation to each other and forming a plane that is at an angle (a) of > 30° and < 80°, in relation to the rotor-blade longitudinal axis, wherein the at least one connection element has a first and second end, wherein the second end extends into the interior space, wherein the connection element extends through a through-hole in the inner insert and is secured in a blind hole in the outer insert, wherein the first end of the connection element is arranged in the blind hole. - a rotor-blade longitudinal axis, - at least one rotor-blade inner portion, having a region connecting to the rotor-blade hub, and - at least one rotor-blade outer portion, having a rotor-blade tip, - an interior space inside the rotor-blade inner portion and the rotor-blade outer portion, the rotor-blade inner portion and the rotor-blade outer portion each be made substantially of a fibre-reinforced plastic, and the rotor-blade inner portion and the rotor-blade outer portion being connected to each other by at least one connecting device, and the at least one connecting device comprising: - an inner insert that is at least partially wrapped in the fibre-reinforced plastic of the rotor-blade inner portion and that has an inner contact face, - an outer insert that is at least partially incorporated in the fibre-reinforced plastic of the rotor-blade outer portion and that has an outer contact face, the inner insert and the outer insert being connected to each other via the inner and the outer contact face (10, 20) and at least one connecting element, the inner contact face and the outer contact face being arranged parallelwise in relation to each other and forming a plane that is at an angle (a) of > 30° and < 80°, in relation to the rotor-blade longitudinal axis, wherein the at least one connection element has a first and second end, wherein the second end extends into the interior space, wherein the connection element extends through a through-hole in the inner insert and is secured in a blind hole in the outer insert, wherein the first end of the connection element is arranged in the blind hole. the rotor-blade inner portion and the rotor-blade outer portion each be made substantially of a fibre-reinforced plastic, and the rotor-blade inner portion and the rotor-blade outer portion being connected to each other by at least one connecting device, and the at least one connecting device comprising: - an inner insert that is at least partially wrapped in the fibre-reinforced plastic of the rotor-blade inner portion and that has an inner contact face, - an outer insert that is at least partially incorporated in the fibre-reinforced plastic of the rotor-blade outer portion and that has an outer contact face, - an inner insert that is at least partially wrapped in the fibre-reinforced plastic of the rotor-blade inner portion and that has an inner contact face, - an outer insert that is at least partially incorporated in the fibre-reinforced plastic of the rotor-blade outer portion and that has an outer contact face, the inner insert and the outer insert being connected to each other via the inner and the outer contact face (10, 20) and at least one connecting element, the inner contact face and the outer contact face being arranged parallelwise in relation to each other and forming a plane that is at an angle (a) of > 30° and < 80°, in relation to the rotor-blade longitudinal axis, wherein the at least one connection element has a first and second end, wherein the second end extends into the interior space, wherein the connection element extends through a through-hole in the inner insert and is secured in a blind hole in the outer insert, wherein the first end of the connection element is arranged in the blind hole.