16+Season 1
Synopsis
The Crystal Cuckoo (El cuco de cristal, 2025), Season 1 is a Spanish mystery thriller you can watch online on iFILM — six episodes built around one quiet question: who was the man whose heart now keeps a young doctor alive?
Clara travels to a remote mountain town to thank her donor's family and ends up pulling a thread she was never meant to touch. Yesques has buried decades of strange deaths and disappearances, and nobody wants them dug up. The story braids two timelines. In the past, officer Miguel chases the truth behind a fire and his sister's vanishing, and runs into walls. In the present, Clara pieces those old secrets together until they point straight back at her donor.
Slow-burn, low on melodrama, heavy on dread — a crime drama for viewers who like their mysteries patient and double-layered. Stream The Crystal Cuckoo Season 1 online on iFILM.
6 episodes
S1·E1Episode 1
A tragic fire arouses an officer's suspicion. Decades later, his son's heart saves a doctor who comes to town hoping to learn more about her donor.
S1·E2Episode 2
Clara joins the search party after the latest disappearance. Back in the past, Miguel looks for answers about the fire but his efforts are shut down.
S1·E3Episode 3
Unsettled by his findings, Miguel delves deeper into his sister's disappearance. At the Tamborada festival, Clara learns more about Carlos and the town.
S1·E4Episode 4
Miguel's obsession with the investigation causes friction at home. Clara makes sense of Carlos' discoveries as Juan delivers Marta a shocking truth.
S1·E5Episode 5
In 1979, a young Yesques resident receives a severe warning from his mother. Years later, Miguel's growing doubts lead to an unexpected tragedy.
S1·E6Episode 6
After another shocking event hits Yesques, the authorities do their best to prevent a tragic outcome while a helpless Marta fears the worst.
1 seasons
Starring
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