A guilt-stricken Mai Ling (Dianne Doan) tries to make amends with Ah Sahm (Andrew Koji), but he remains focused on getting revenge in tonight's new episode. Elsewhere, after discovering her business is in trouble, Penny (Joanna Vanderham) learns that Ah Sahm has been using her. Leary (Dean Jagger) gets a warning, but responds by issuing one of his own. Meanwhile, Ah Toy (Olivia Cheng) pays an emotional visit to Nellie's (Miranda Raison) Sonoma winery. Kieran Bew and Hoon Lee also star.