<P> In "A Long, Strange Trip", Sam was reunited with younger sister Kelly (played by Shannon Woodward), now a successful fashion designer, for the first time since their mother kicked Sam out when she was a pregnant 15 - year - old . Kelly tells Sam how their mother is dying of emphysema, and after reminiscing about their childhood, Sam relents and agrees to allow Kelly to move their mother to a Chicago nursing home . Sam sees her mother for the first time in 15 years in the episode "T Minus 6", but Mary Taggart does not recognise her daughter . In the next episode, Sam is shown visiting her mother in the nursing home, where they argue about why Sam lost contact with her family, before Mary asks Sam about her son . </P> <P> In the Season 15 episode "Old Times", Sam accompanies Neela to Seattle to pick up a heart for a transplant in Chicago . She briefly met Carol Hathaway and Dr. Doug Ross who revealed how they used to work at County . </P> <P> In the series finale "And in the End," the staff celebrates her birthday and Alex delivers her present: a bright red vintage Ford Mustang convertible, which Tony Gates bought and fixed up with Alex's help . When she and Tony witness a husband losing his wife (and the description of his daughter about how he never lost his love for her despite her very negative and critical ways clearely resonates with Sam), they hold each other's hands, hinting that they might rekindle their relationship . </P>

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