Complex sentence: Shortly afterwards, a team of four skilled individuals led by Xiang (Donnie Yen) infiltrates the highly guarded CIA's headquarters in order to retrieve "Pandora's Box", a device which is capable of controlling satellites to crash at specific locations as warheads.
Split into simpler sentences: Shortly afterwards, a team of four skilled individuals led by Xiang (Donnie Yen) infiltrates a highly guarded CIA's headquarters in order to retrieve "Pandora's Box". The "Pandora's Box" is described as a device which is capable of controlling satellites to crash at specific locations as warheads.