Scarlett devises a sure-fire business plan, but can she convince Deek it's a winner? Ruth makes a startling discovery about Marty's health. There isn't much love in the air this Valentine's Day as Ruth prepares a particularly nasty surprise for Marty, and Raymond comes on a little too strong for Polly. Heather is forced to accept the truth about Gerry's condition, while Rory proves he's serious about Zoe.