The film is set in an HDB flat in Singapore. A man leaves the house of his mistress, unknowingly wearing a pair of shoes not belonging to him. When he reaches his car, the forgetful man finds out that he has misplaced his car keys. His mistress brings him the car keys. Meanwhile, the husband arrives home and finds a pair of man's shoes at his doorstep not belonging to him. He also sees his wife downstairs passing car keys to a stranger. He puts two and two together and decides to punish the transgressor.