When the office staffers are drug tested, Dylan finds out that she is pregnant. Although he is surprised, Jake decides to ask her to marry him. Unfortunately, they find out the test result was a mistake before he can propose. Meanwhile, Frank befriends a kindly old lady in the coffee shop. Skeptical Penny tries to warn him that she seems like a scam artist, but even she becomes a victim eventually. Also, Frank is flattered to receive obsessive fan letters from a woman—until he finds out it's the same conniving old lady. (thetvdb.com)