Undertow
- Episode aired May 19, 2009
- TV-PG
- 43m
A former diver disappears, and his girlfriend is kidnapped. Meanwhile, Jack's daughter wants to move back to Chicago, Sam must choose between Jack and Brian, and Danny and Elena plan to get ... Read allA former diver disappears, and his girlfriend is kidnapped. Meanwhile, Jack's daughter wants to move back to Chicago, Sam must choose between Jack and Brian, and Danny and Elena plan to get married that evening.A former diver disappears, and his girlfriend is kidnapped. Meanwhile, Jack's daughter wants to move back to Chicago, Sam must choose between Jack and Brian, and Danny and Elena plan to get married that evening.