Mosaic Season 1 Episode 4“Ilsa from Finland”

HBO · S1E4 · Aired January 25, 2018 · 60 min · ★ 7.3/10

Joel's New Year's Eve whereabouts come under increased scrutiny after his bar buddy Frank admits to Nate and Petra that their alibi was bogus. A visit to a New Year's reveler clears up one issue, but the timing of another remains unclear.

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