Members of the Portokalos family reunite in Greece for a hilarious and heartwarming trip full of love, twists and turns.

During World War II, Lt. Gen. Leslie Groves Jr. appoints physicist J. Robert Oppenheimer to work on the top-secret Manhattan Project. Oppenheimer and a team of scientists spend years developing and designing the atomic bomb.

In 1956 France, a priest is murdered, and it seems an evil is spreading. Sister Irene once again comes face to face with a demonic force.