The poor little rich girl, Sun has long been trapped by her family's wealth and power.
POST ISLAND
- Believed that Jin died aboard the freighter
- Is rescued by Penny's boat
- Distances herself from the other members of the Oceanic 6. With the exception of Hurley
- Gives birth to Jin's baby and names her Ji Yeon
- Buys a controlling stake in her father's company
- Approaches Charles Widmore in London to call her to discuss their mutual interests
- Attempts to shoot Ben but stops when he tells her that Jin is still alive on the island
- Boards Ajira flight 316 but does not disappear to 1974 with Jack, Kate, Hurley and Sayid
- Crash lands on the island
- Takes a boat with Frank Lapidus to the main island
- Is told by Christian Shephard that her husband is in the Dharma initiative and that she has a long journey ahead
- Accompanies Ben and Locke to the temple
- Witnesses Locke's dead body in Ilana's trunk
ON THE ISLAND
- Eager to help, but Jin's jealousy held her back
- Cured Shannon's asthma attack with herbal remedy
- Planted herb garden to grow alternative medicine
- Revealed she could speak to the group to help her husband
- Estranged from Jin because of her secrets
- Shoots Colleen Discovers she is pregnant
- Is not sure whether the father of her child is Jin or Jae Lee
BEFORE THE CRASH
- Rich girl who married Jin despite being from a lower class
- Learned English in secret so she could run away from
failing marriage - Decided to stay with her husband before they boarded the plane
- Caught by her father having an affair with Jae Lee
