Maddie's strange mood has David worried so he spends the evening following her, but ends up involved in a murder.

Dave and Maddie quarrel over Sam as they keep watch on a man for his mistress, who's convinced he's two-timing her-with his wife.

Maddie feels more and more confused about Sam and Dave after an all-night stakeout with Dave ends in an early morning proposal from Sam.

Sam confronts Dave about Maddie, and tells him he's not good enough for her.