Family takes center stage in Tuesday’s all-new episode ofFBI.

Meanwhile, the show focuses on Isobel’s private life after her surprising revelation thatshe’d secretly gotten married.

It teases the week’s case and a significant shift in Isobel’s life.

Isobel Castille looking intent as Jubal Valentine watches her

Image via CBS

CBS released a sneak peek of the episode, previewing the boss at work in an Isobel-heavy episode.

Isobel and her team jump into action to stop more bloodshed.

While her husband might be a secret to most coworkers, he’s not a complete mystery.

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“Lineage” introduces Phillip (Tom Cavanagh), Isobel’s new husband.

He has three daughters, who became Isobel’s daughters after marriage.

Much about him is unknown, but first-lookimages tease a sweet manas they spend time together at home.

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The episode’s logline carries an ominous tone as Isobel contemplates her future in the Bureau.

What is the change she thinks of making?

Stay tuned to Collider for more updates.

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