CHIN's

Robert carries the weight of providing for his family and the weight of the huge lump on his head; Christina has liquid-filled growths next to her eyes; Felipe, a photographer with a dry skin condition so severe he risks losing his career.

Phil and Claire break from their traditional Valentine's Day dinner date and plan a little "role play" excursion. Meanwhile, Jay and Gloria's ideas of romance clash when he takes her to a comedy show, and Mitchell and Cameron play cupid for Manny.

Yingluo lays a trap during the sacrifice of the meat, If the emperor finds anyone has tempered with the meat then he will be furious and will punished anyone involved.

Penny tries to seduce an abstaining Leonard to ruin his "donation" for her ex-boyfriend, Zack, and his wife, Marissa. Also, Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip.