Complex sentence: On their return journey, Mahadevan receives a call from Father Dominic, who says he faked his death & the doctor is his partner & the maid who was possessed was actually one of his minions, & she had a twin sister.
Split into simpler sentences: On their return journey, Mahadevan receives a call from Father Dominic, who says he faked his death. The Father reveals the doctor is his partner, the maid who was possessed was actually one of his minions, who had a twin sister.