The Harts are a family of San Francisco firefighters. Their family motto is: Heart comes first.

Heartbreaker Connor Hart, one of the youngest fire chiefs in the country, is planning on marrying Dr. Elaine Woo, a woman who pretended to cheat on him with his best friend many years ago. She bought him a Dalmatian puppy, he gave her a ring—and the women of San Francisco are about to lose their most eligible bachelor.

Artist and poet Nadine Woo is down on her luck. The cast-off half-sister of Dr. Elaine Woo, she doesn’t measure up, according to her strict and distant father. When Nadine and her mother are about to be evicted from their apartment, she gets an interesting offer from her sister. Seems she’s in need of a little help concerning her relationship with Fire Chief Connor Hart.

As soon as Nadine meets Connor, she knows she’s in for a rough ride. Connor is the fireman who rescued her and her little gray kitten, and she’s never forgotten how safe she felt in his arms.When Nadine takes her sister’s place at a spring fling weekend with Connor, love ignites, and there’s no going back.Can a spunky little kitty show Connor and Nadine that doing the wrong thing is sometimes right, especially when it comes to love?