
Ian Sutton, true heir to Summit Lockwood Construction, switched at birth, works as a laborer. Project Manager Harry Shaw obstructs him. A collapse occurs. Ian directs evacuation, saves people. His competence impresses engineer Summer Lynn and chairman Arthur Lockwood, who notices an old jade pendant Ian carries. Fake heir Julian Lockwood instructs Harry Shaw to frame Ian for the accident. A battle for identity, old case investigation, and justice begins.