A man, happy in his marriage but enjoying a trip with his wife, indulges in infidelity. When he wants to end his relationship with his mistress, she doesn't want to. It turns out she's a psycho and starts making his life miserable.
Sunny, the friend/co-worker of the main male character, fucks Ms. Nancy, a friend of the male character's mistress on the rooftop of a building during a party (11:57 and 15:57), not knowing that she has a boyfriend who is a big-shot thug. Her boyfriend has his henchmen beat Sunny up at 1:11:40, also on a building's rooftop.