

Reunited sixteen years after rehab, a strategic CEO and his secret guardian team up in Macau to fight corporate threats and reconnect.
14 episodes · October 16, 2026
Reunited sixteen years after rehab, a strategic CEO and his secret guardian team up in Macau to fight corporate threats and reconnect.
Yes — Echo of a Letter is still running and has been renewed for more.
Echo of a Letter has 1 season and 14 episodes, and first aired in 2026.
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