Bob Ho (Jackie Chan), an undercover operative for the CIA, decides to give up his career and marry his girlfriend, Gillian (Amber Valletta). First however, he has one more mission to complete: Gain the approval of Gillian's children. Bob volunteers to baby-sit when Gillian is called away, but the operation hits a snag when one of the kids mistakenly downloads a top-secret formula, and a Russian terrorist takes aim at Bob's prospective family.

We watched this movie as a family. Bob Ho might be a CIA agent but will he be able to handle his fiancée's children. Gaining their approval might prove to be his most challenging assignment. The kids will be thrown into a dangerous situation and will see Bob in a new light. Will he win them over?